From: Paul Eggert <eggert@cs.ucla.edu>
To: "Perry E. Metzger" <perry@piermont.com>,
Daniel Colascione <dancol@dancol.org>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>, emacs-devel@gnu.org
Subject: Re: [Emacs-diffs] master 938d252 4/4: Make regex matching reentrant; update syntax during match
Date: Tue, 19 Jun 2018 09:20:43 -0700 [thread overview]
Message-ID: <68752b66-75d2-a732-6ce2-3d8a13b7ff37@cs.ucla.edu> (raw)
In-Reply-To: <20180619113729.3d1a4c0b@jabberwock.cb.piermont.com>
If we're going to go to that much work, why not use glibc regex? It uses a DFA
and falls back on backtracking only when needed. Although glibc regex isn't
maintained that well, it's at least maintained, which TRE is not. And it does
have some advantages: it has an API that is like Emacs src/regex.c, and it won't
have any licensing issues. Its main disadvantage (it doesn't support split
buffers) could be overcome fairly easily, either by adding support for that back
into the library, or arranging for a single array whenever the regex matcher is
called.
next prev parent reply other threads:[~2018-06-19 16:20 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20180616204650.8423.73499@vcs0.savannah.gnu.org>
[not found] ` <20180616204653.86AFC203CB@vcs0.savannah.gnu.org>
2018-06-17 18:42 ` [Emacs-diffs] master 938d252 4/4: Make regex matching reentrant; update syntax during match Stefan Monnier
2018-06-17 18:51 ` Daniel Colascione
2018-06-17 19:18 ` Daniel Colascione
2018-06-17 19:34 ` Stefan Monnier
2018-06-17 19:50 ` Daniel Colascione
2018-06-17 19:30 ` Stefan Monnier
2018-06-18 15:59 ` Perry E. Metzger
2018-06-18 17:49 ` Daniel Colascione
2018-06-19 13:40 ` Perry E. Metzger
2018-06-19 13:44 ` Perry E. Metzger
2018-06-19 13:49 ` Daniel Colascione
2018-06-19 14:30 ` Perry E. Metzger
2018-06-19 14:33 ` Perry E. Metzger
2018-06-19 14:48 ` Daniel Colascione
2018-06-19 15:37 ` Perry E. Metzger
2018-06-19 16:20 ` Paul Eggert [this message]
2018-06-19 16:27 ` Perry E. Metzger
2018-06-19 17:46 ` Stefan Monnier
2018-06-19 18:18 ` Daniel Colascione
2018-06-19 18:26 ` Perry E. Metzger
2018-06-19 16:54 ` John Wiegley
2018-06-19 17:04 ` Perry E. Metzger
2018-06-19 18:20 ` John Wiegley
2018-06-19 18:04 ` Paul Eggert
2018-06-19 18:16 ` Daniel Colascione
2018-06-19 18:26 ` Paul Eggert
2018-06-19 18:03 ` Andreas Schwab
2018-06-19 18:48 ` Paul Eggert
2018-06-19 14:46 ` Daniel Colascione
2018-06-19 14:58 ` Andreas Schwab
2018-06-19 15:32 ` Perry E. Metzger
2018-06-18 23:25 ` Richard Stallman
2018-06-19 1:30 ` Perry E. Metzger
2018-06-19 22:54 ` Richard Stallman
2018-06-20 1:17 ` Perry E. Metzger
2018-06-20 23:26 ` Richard Stallman
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